Perhaps you should try some spelling variations:
"i largest decrease" » "i larger decrease" (Expand Search), "i marked decrease" (Expand Search), "_ largest decrease" (Expand Search), "i large decrease" (Expand Search)
"c values increased" » "c cases increased" (Expand Search), "c dalys increased" (Expand Search), "c also increased" (Expand Search), "_ values increased" (Expand Search), "i values increased" (Expand Search), "auc values increased" (Expand Search)
"ct values decrease" » "_ values decrease" (Expand Search), "i values decrease" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("i largest decrease") OR ("c values increased"))) OR ("ct values decrease"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"i largest decrease\") OR (\"c values increased\"))) OR (\"ct values decrease\"))".
• Removing quotes may allow a broader search: (((( i largest decrease ) OR ( c values increased ))) OR ( ct values decrease )).
• Adding a wildcard symbol may retrieve word variants: (((("i largest decrease") OR ("c values increased"))) OR ("ct values decrease"))*.